Source:     2008-02-14  我要投稿   论坛   Favorite  

1. In 1975 psychologist Robert Ader at the University of Rochester School of Medicine conditioned(使形成条件反射) mice to avoid saccharin(糖精) by simultaneously feeding them the sweetener and injecting them with a drug that while suppressing their immune systems caused stomach upsets.
[参考译文]1975年,罗切斯特大学医学院的心理学家Robert Ader在使老鼠对排斥糖精形成条件反射的试验中,喂食老鼠糖精的同时给它们注射了一种药剂,这种药在破坏老鼠的免疫系统的同时还会引起腹痛。
2. Where is industry’s and our recognition that protecting mankind’s great treasure is the single most important responsibility?
3. If ever there will be time for environmental health professionals to come to the frontlines and provide leadership to solve environmental problems, that time is now.
4. The Times newspaper agrees, complaining that quality has suffered as student numbers soared, with close tutorial supervision giving way to “mass production methods more typical of European universities.”
5. If food already contains natural carcinogens, it does not make sense to add dozens of new man-made ones.
6. By studying mineral grains found in material ranging from rocks to clay articles, previous researchers have already been able to identify reversals dating back 170 million years, including the most recent switch 730,000 years ago.
7. Several theories link polarity flips to external disasters such as meteor impacts.
8. They could not learn: they could not benefit from experience because this emotionless world would lack rewards and punishments.
9. Out of our emotional experiences with objects and events comes a social feeling of agreement that certain things and actions are “good” and others are “bad”, and we apply these categories to every aspect of our social life-from what foods we eat and what clothes we wear to how we keep promises and which people our group will accept.
10. The current crisis, it contends, does not derive from a legitimate desire to put learning to productive ends.
11. Yet for all the talk of a forthcoming technological utopia little attention has been given to the implications of these developments for the poor.
12. The electronic economy made possible by information technology allows the haves to increase their control on global market, —with destructive impact on the have-nots.
13. Home schoolers habor few kind words for public schools, charging shortcomings that range from lack of religious perspective in the curriculum to a herdlike approach to teaching children.
14. Finally, advertisers try to begin commercials with sounds that are highly different from those of programming within which the commercial is buried.
15. The act, designed to protect species’ living areas, and policies that preserve land and forests compete with economic interests.
16. Once again, the scientists have caught us mouthing pieties while acting just the contrary.
17. Not content with its doubtful claim to produce cheap food for our own population, the factory farming industry also argues that “hungry nations are benefiting from advances made by


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